Tyre pressure gauge and portable inflator pump / foot pump

This is a discussion on Tyre pressure gauge and portable inflator pump / foot pump within Modifications & Accessories, part of the Under the Hood category; Originally Posted by Sommos
Thanks Parag for the information.
Got the pump delivered to an address at Pune and the ...

Got the pump delivered to an address at Pune and the same was despatched next day via the Azad-Hind Exp. No courier could have delivered the package within a day.

Checked the pump in the evening and was quite impressed with the performance. But reading the guage, while the pump is vibrating, is quite tricky.

I just received mine yesterday. Once payment was received by seller, received the product within 2 days. I tried it today and pretty impressed with the product. The car charger connector does not have a great finish but works fine. The nylon hose and brass connector lock seem to be of high quality. Also, the other nozzle types/pins included would be pretty handy as well when traveling. The vibration does hamper reading the gauge accurately when inflating but when I'm close, I just play with on - off switch to read the gauge and have tyres inflated at right level. One minor thing is that when you are removing the hose/connector from tyre, you may lose some air pressure so when topping off, just inflating a bit more than required, might be helpful.

Michelin gave a nice pouch to store the gauge in the car.
The case got a felt lining on the inside.
The blue portion is made of rubber. The thing is a little heavy and bulky. The shape makes it nice to hold in your hand.
Hit the ON button and it will show 0.0 PSI
You can program the device to store the pressure for front and rear wheels which can be used as reference to let out excess air
Always measure the air when the tyres are cold. The gauge is very accurate.

It's pretty expensive and long term reliability of digital gauges is always questionable. I have analog gauge from Coido and the granularity given is very good to accurately check tyre pressure. It's a fraction of what the Michelin one costs.

It's pretty expensive and long term reliability of digital gauges is always questionable. I have analog gauge from Coido and the granularity given is very good to accurately check tyre pressure. It's a fraction of what the Michelin one costs.

Personally, I am using the these products, and am satisfied with the performance of both -

Umpteen times I have verified the tire pressure in Activa & the Sunny, and the results are pretty satisfactory.

I do trust the Nitrogen Pressure Gauge at the fuel bunks, but highly doubt the normal air pressure gauge there (Activa has air while Sunny has Nitrogen in the tires).

From the numerous posts on this thread the conclusion that I have come to -

1) Members have doubts regarding the accuracy of gauges at the fuel bunks, including me.

2) Members also have doubts on the digital pressure gauges available online.

At this moment I can't comment what device is accurate, because there is no benchmark against which it can be compared. Till then there will always be a difference of 2 to 3 PSI in the tires I think.

Couples of PSIs on the higher end shouldn't matter, I believe (only couple of PSIs though). I always go by the portion of the tyre in contact with the surface. It's not accurate, but then there is no clear picture on what's exactly accurate either!!

The Coido tire inflator that I use has an Analog Gauge. So, after filling air, I compare the readings of the digital and analogue gauges, and arrive at the reading that has the least difference.

Umpteen times I have verified the tire pressure in Activa & the Sunny, and the results are pretty satisfactory.

I do trust the Nitrogen Pressure Gauge at the fuel bunks, but highly doubt the normal air pressure gauge there (Activa has air while Sunny has Nitrogen in the tires).

From the numerous posts on this thread the conclusion that I have come to -

1) Members have doubts regarding the accuracy of gauges at the fuel bunks, including me.

2) Members also have doubts on the digital pressure gauges available online.

At this moment I can't comment what device is accurate, because there is no benchmark against which it can be compared. Till then there will always be a difference of 2 to 3 PSI in the tires I think.

Couples of PSIs on the higher end shouldn't matter, I believe (only couple of PSIs though). I always go by the portion of the tyre in contact with the surface. It's not accurate, but then there is no clear picture on what's exactly accurate either!!

I agree . I have also invested in air compressor and gauge and check air once every 2 weeks when the tyres are cold. I have since stopped going to petrol bunks for filling up air.

I have a generic inflator with an analog guage built in. I also carry a separate generic analog guage.Both of these have a precision of 2 psi.
I trust the separate analog guage more than the one attached to the inflator.

This is because, when the inflator is pumping air, it's guage's needle vibrates, thus making a reading difficult.
Once switched off, the tyre starts losing air through the inflator, there's no one-way valve mechanism inside the inflator to prevent that. So, even though the needle settles down on the guage, by that time the tyre has already lost some air and drops a psi or two.

What I normally do, is this. I fill air upto 2 psi above the rated pressure by looking at the inflators guage. This way, I am assured that there would always be more air than I require.
Then I quickly unscrew the inflator, and use the separate guage to fine tune the air pressure to the manufacturer recommended level.

The build quality looks really good and sturdy. The lower part housing the tools has steel casing and feels solid. The tools are nice to use, the cutter is really sharp. The torch is essentially as can be expected kind of look around tool in the darkness in and around car and would not term it as a replacement for a real torch, works on a AAA battery cell.

The main part, the digital tyre pressure gauge works on a CR2032 battery cell that comes already with it inside.

I was skeptical on accuracy of pressure reading. However, checked it against the Bridgestone pressure stick gauge at a nearby Bridgestone tyre dealer and I was surprised to see it match ditto. I am believing the Bridgestone pressure stick gauge is exact, it has ruler on the stick for pressure reading.

My coido tyre pressure gauge went bust today. I bought it like 3 months ago. Somehow, I always found it difficult to seal it on tyre valve system and at times would end up loosing 3-4 psi by the time it sealed properly. The last time, while pushing it into tyre valve system, my finger was on the push/hold button and from that point, it stopped holding the reading post checking pressure, making this device practically useless.

I'm not too keen on digital tyre pressure gauge unless its from a reputed company but then it is pretty expensive to buy one of those in India.

Can anyone recommend me an alternate to Coido gauge? I'm looking for a good quality analog gauge but with one which is easier to seal on tyre valve.

My coido tyre pressure gauge went bust today. I bought it like 3 months ago. Somehow, I always found it difficult to seal it on tyre valve system and at times would end up loosing 3-4 psi by the time it sealed properly. The last time, while pushing it into tyre valve system, my finger was on the push/hold button and from that point, it stopped holding the reading post checking pressure, making this device practically useless.

I'm not too keen on digital tyre pressure gauge unless its from a reputed company but then it is pretty expensive to buy one of those in India.

Can anyone recommend me an alternate to Coido gauge? I'm looking for a good quality analog gauge but with one which is easier to seal on tyre valve.

I ordered the above item and received it yesterday. I found the finish/quality of this much better than Coido. It feels more solid and the most important thing is that it seals really well with the tyre valve. I checked on all 4 tyres and I was able to seal it immediately.